Coastal Flood Warnings/Watches/Statements
Issued by NWS Honolulu, HI
Issued by NWS Honolulu, HI
981 WHHW40 PHFO 090118 CFWHFO Coastal Hazard Message National Weather Service Honolulu HI 318 PM HST Fri Aug 8 2025 ...HIGH SURF ADVISORY FOR THE SOUTH FACING SHORES OF ALL HAWAIIAN ISLANDS... ...COASTAL FLOOD STATEMENT IN EFFECT FOR ALL SHORES OF ALL HAWAIIAN ISLANDS... A large south swell will continue to fill in tonight and peak Saturday. This will result in above advisory level surf along south facing shores this evening. Surf may reach warning levels along south facing shores Saturday. Peak afternoon high tides, combined with elevated water levels running about a half a foot higher, will lead to minor flooding along most shorelines and low lying coastal areas through Saturday. Water levels should fall below thresholds during peak afternoon high tides Sunday. HIZ001-003-006-016-018-023-026-031>034-038-041-043-044-046- 049>052-091430- /O.CON.PHFO.SU.Y.0026.000000T0000Z-250811T1600Z/ /O.CON.PHFO.CF.S.0003.000000T0000Z-250811T1600Z/ Niihau-Kauai Southwest-Waianae Coast-Kahoolawe-Maui Leeward West- Kona-Kohala-Kauai South-East Honolulu-Honolulu Metro-Ewa Plain- Molokai Southeast-Molokai Leeward South-Lanai Leeward-Lanai South- Maui Central Valley South-South Maui/Upcountry-South Haleakala- Big Island South-Big Island Southeast- 318 PM HST Fri Aug 8 2025 ...HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 6 AM HST MONDAY... ...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT... * WHAT...For the High Surf Advisory, large breaking waves of 8 to 12 feet tonight increasing to 10 to 14 feet Saturday. For the Coastal Flood Statement, isolated minor coastal flooding. * WHERE...For the High Surf Advisory, south facing shores of all islands. For the Coastal Flood Statement, flood prone low lying coastal areas. * WHEN...For the High Surf Advisory, until 6 AM HST Monday. For the Coastal Flood Statement, through late Sunday night. * IMPACTS...Moderate. Strong breaking waves and strong currents will make swimming dangerous. Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid driving through flooded roadways. If you are forced to drive through salt water, be sure to rinse your vehicle with fresh water. Move electronics, vehicles or other valuables to higher ground. Monitor vessels to ensure mooring lines don`t get too tight and watch out for overwash around boat ramps. Secure canoes or other watercraft stowed on beaches. Heed all advice from ocean safety officials. When in doubt, don`t go out. && Submit your coastal flooding photos to the University of Hawaii Sea Grant College Program`s Hawaii and Pacific Islands King Tides Project at: PacificIslandsKingTides.org $$ HIZ007-009-017-029-030-035-037-039-040-042-045-047-048-053-054- 091430- /O.CON.PHFO.CF.S.0003.000000T0000Z-250811T1600Z/ Oahu North Shore-Olomana-Maui Windward West-Kauai North- Kauai East-Koolau Windward-Molokai Windward-Molokai North- Molokai West-Lanai Windward-Maui Central Valley North- Windward Haleakala-Kipahulu-Big Island East-Big Island North- 318 PM HST Fri Aug 8 2025 ...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH LATE SUNDAY NIGHT... * WHAT...Isolated minor coastal flooding. * WHERE...Flood prone low lying coastal areas. * WHEN...Through late Sunday night. * IMPACTS...Flooding of beaches that are normally dry, minor coastal erosion, and saltwater inundation. PRECAUTIONARY/PREPAREDNESS ACTIONS... Avoid driving through flooded roadways. If you are forced to drive through salt water, be sure to rinse your vehicle with fresh water. Move electronics, vehicles or other valuables to higher ground. Monitor vessels to ensure mooring lines don`t get too tight and watch out for overwash around boat ramps. Secure canoes or other watercraft stowed on beaches. && Submit your coastal flooding photos to the University of Hawaii Sea Grant College Program`s Hawaii and Pacific Islands King Tides Project at: PacificIslandsKingTides.org $$